Other uses for this medicine This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. You can take it in a small dose daily or in a larger dose as needed. Medicines that block an enzyme called CYP3A4. Online pharmacies also may not fill short-term prescriptions, such as those for antibiotics. How should this medicine be used? They require a prescription for any controlled substance and have a licensed pharmacist to answer questions rather than support staff.Roman is a telehealth prescription service and online pharmacy that provides prescription Cialis for ED and a host of other conditions, like hair loss, cold sores, and premature ejaculation. When. MNT ‘s review. Lemonaid sells Cialis in these forms: Cialis: available in doses of 5, 10, and 20 mg, starting at $65 per tablet. Daily Cialis: 5 mg tablet with pricing starting from $50 per tablet. Cialis (tadalafil) is an expensive drug used to treat erection problems in men. It may also be used to treat the enlargement of the prostate gland. This drug is slightly more popular than comparable drugs. It is available in both brand and generic versions. Cialis is not covered by most Medicare and insurance plans, but manufacturer and.